T2 Thermocouple Alloy Spooled Wire (Ni95/(Al+Mn+Si)5)

T2 Thermocouple Alloy Spooled Wire (Ni95/Al/Mn/Si 5) offers high-temperature oxidation resistance, mechanical flexibility, and stable thermoelectric characteristics in a continuous length format ideal for custom fabrication. Its spooled form enables efficient handling, cutting, and integration into extended thermocouple leads, heating coils, and embedded temperature sensors. Industries use it in high-temperature process monitoring, aerospace propulsion testing, and metallurgical furnace instrumentation. Specific applications include long-run thermocouple leads for kiln systems, precision-wound resistance heating coils, and embedded thermal sensing in advanced composites. In research, spooled wire is key for thermoelectric drift studies, alloy stability testing under thermal cycling, and prototyping high-reliability temperature measurement systems. The combination of mechanical formability and thermal stability makes it a dependable choice for demanding thermal engineering applications.

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Tolerance

Properties

Reference & Citations

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Material Properties for Alloys

Magnetic Properties

Element	Value
Maximum permeability	1.07

Mechanical Properties

Element	Value
Elongation at break( % )	<44
Modulus of elasticity( GPa )	220
Izod impact strength( J m⁻¹ )	108
Tensile strength( MPa )	550-780

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	29-33
Temperature coefficient( K⁻¹ )	0.0019

Thermal Properties

Element	Value
Maximum use temperature in air( C )	1100
Melting point( C )	1315-1390
Specific heat( J K⁻¹ kg⁻¹ )	446@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	30-32@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	16.8@20-1000°C